feat(api): carry HP into combat and gate starting a fight on it

apps/api/src/combat/combat.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { DataSource, Repository } from 'typeorm';
 import { CharacterStatsService } from '../characters/character-stats.service';
+import { CharacterVitalsService } from '../characters/character-vitals.service';
 import { Character } from '../characters/entities/character.entity';
 import { Hunt } from '../hunting/entities/hunt.entity';
 import { HuntEncounter } from '../hunting/entities/hunt-encounter.entity';
@@ -16,6 +17,7 @@ import { CombatEngineService } from './combat-engine.service';
 import { CombatEngineState, CombatIntent } from './combat-engine.types';
 import {
   characterNotFound,
+  characterTooWounded,
   characterTravelling,
   combatAlreadyActive,
   combatAlreadyFinished,
@@ -78,6 +80,7 @@ export class CombatService {
     private readonly travelService: TravelService,
     private readonly combatEngine: CombatEngineService,
     private readonly characterStats: CharacterStatsService,
+    private readonly characterVitals: CharacterVitalsService,
     private readonly combatRewards: CombatRewardService,
   ) {}
 
@@ -135,6 +138,11 @@ export class CombatService {
       }
 
       const playerStats = await this.characterStats.calculate(character, manager);
+      if (playerStats.currentHp < 1) {
+        throw characterTooWounded();
+      }
+      this.characterVitals.pause(character, playerStats.currentHp);
+      await characters.save(character);
 
       const combat = combats.create({
         characterId,
@@ -143,7 +151,7 @@ export class CombatService {
         status: CombatStatus.ACTIVE,
         round: 1,
         playerMaxHp: playerStats.maxHp,
-        playerCurrentHp: playerStats.maxHp,
+        playerCurrentHp: playerStats.currentHp,
         monsterMaxHp: monster.maxHp,
         monsterCurrentHp: monster.maxHp,
         playerState: {